Pith Number

pith:BTPRHTB4

pith:1997:BTPRHTB4QAWI5OWYAIZHBGWVID

not attested not anchored not stored refs pending

Neutral pion photoproduction on deuterium in baryon chiral perturbation theory to order q^4

S.R. Beane, T.-S.H. Lee, Ulf-G. Mei{\ss}ner, U. van Kolck, V. Bernard

arxiv:hep-ph/9702226 v1 · 1997-02-03 · hep-ph · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTPRHTB4QAWI5OWYAIZHBGWVID}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:04:51.724710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cdf13cc3c802c8ebad80232709ad540f20bb2be022a94fff0fc04c2bfe83161

Aliases

arxiv: hep-ph/9702226 · arxiv_version: hep-ph/9702226v1 · doi: 10.48550/arxiv.hep-ph/9702226 · pith_short_12: BTPRHTB4QAWI · pith_short_16: BTPRHTB4QAWI5OWY · pith_short_8: BTPRHTB4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BTPRHTB4QAWI5OWYAIZHBGWVID \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0cdf13cc3c802c8ebad80232709ad540f20bb2be022a94fff0fc04c2bfe83161

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e16e46cfac512ae4563b3f9c8cd0fa8989eacc24f588cb07d9190df70865110",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-02-03T15:18:00Z",
    "title_canon_sha256": "77fd787d156617ab639ac6e6207b634dc2aa0d911d1f27498815987d6bd98fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9702226",
    "kind": "arxiv",
    "version": 1
  }
}